Re: millions slow ops on a cluster without load

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Yeah, the mtu is on the cluster network’s nic cards are 8982, the ping works with 8954 packets between interfaces.

On 2021. Mar 15., at 23:40, Matthew H <matthew.heler@xxxxxxxxxxx> wrote:


Might be an MTU problem, have you checked your network and MTU settings?



________________________________
From: Szabo, Istvan (Agoda) <Istvan.Szabo@xxxxxxxxx>
Sent: Monday, March 15, 2021 12:08 PM
To: Ceph Users <ceph-users@xxxxxxx>
Subject:  millions slow ops on a cluster without load

We have a cluster with a huge amount of  warnings like this even if nothing is going on in the cluster.

It makes mgr physical memory full, mon db maxed out 5 osds can't start :/

[WRN] slow request osd_op(mds.0.537792:26453 43.38 43:1d6c5587:::10000fe56a6.00000000:head [create,setxattr parent (367) in=373b,setxattr layout (30) in=36b] snapc 0=[] RETRY=131 ondisk+retry+write+known_if_redirected+full_force e5532574) initiated 2021-03-15T16:44:18.428585+0100 currently delayed

Is there a way to somehow stop it?

MDS service stopped also.

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